🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780

Radius: 8.7

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.15 AU - 1.21 AU

Year: 885 Days

Day: 8.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,458,295 km

• M1: 108,159 km (0.093 R)
• M2: 403,914 km (0.102 R)
• M3: 756,367 km (0.112 R)
• M4: 1,344,436 km (0.103 R)
• M5: 1,761,665 km (0.119 R)
• M6: 2,439,792 km (0.095 R)
• M7: 2,807,802 km (0.1 R)
• M8: 3,131,532 km (0.108 R)
• M9: 3,465,584 km (0.037 R)
• M10: 3,932,330 km (0.106 R)
• M11: 4,406,555 km (0.101 R)
• M12: 4,755,268 km (0.112 R)
• M13: 5,103,681 km (0.047 R)
• M14: 5,668,413 km (0.049 R)
• M15: 6,784,563 km (0.104 R)
• M16: 7,813,048 km (0.113 R)
• M17: 8,589,910 km (0.087 R)
• M18: 9,303,940 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 14.2

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.57 AU - 1.79 AU

Year: 1503 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,458,295 km

• M1: 176,525 km (0.082 R)
• M2: 669,899 km (0.089 R)
• M3: 1,238,820 km (0.067 R)
• M4: 1,969,755 km (0.117 R)
• M5: 2,435,902 km (0.056 R)
• M6: 2,920,450 km (0.111 R)
• M7: 4,285,381 km (0.069 R)
• M8: 4,778,754 km (0.101 R)
• M9: 5,723,166 km (0.083 R)
• M10: 6,275,780 km (0.094 R)
• M11: 6,991,307 km (0.042 R)
• M12: 8,352,348 km (0.06 R)
• M13: 8,974,077 km (0.058 R)
• M14: 9,690,501 km (0.117 R)
• M15: 10,344,094 km (0.077 R)
• M16: 12,033,503 km (0.096 R)
• M17: 12,983,150 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.3

Radius: 14.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.07 AU - 3.35 AU

Year: 3079 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,458,295 km

• M1: 180,714 km (0.069 R)
• M2: 670,946 km (0.07 R)
• M3: 1,446,013 km (0.092 R)
• M4: 2,213,001 km (0.103 R)
• M5: 3,863,365 km (0.106 R)
• M6: 4,637,085 km (0.079 R)
• M7: 5,234,729 km (0.059 R)
• M8: 5,904,628 km (0.071 R)
• M9: 6,769,752 km (0.061 R)
• M10: 7,245,324 km (0.072 R)
• M11: 8,000,793 km (0.113 R)
• M12: 9,032,570 km (0.086 R)
• M13: 9,758,718 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 12.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.09 AU - 3.49 AU

Year: 4119 Days

Day: 7.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,458,295 km

• M1: 157,975 km (0.111 R)
• M2: 770,579 km (0.068 R)
• M3: 1,374,505 km (0.113 R)
• M4: 1,830,330 km (0.077 R)
• M5: 2,708,021 km (0.064 R)
• M6: 3,402,903 km (0.106 R)
• M7: 3,961,651 km (0.064 R)
• M8: 5,014,521 km (0.083 R)
• M9: 5,667,515 km (0.094 R)
• M10: 7,002,377 km (0.08 R)
• M11: 9,961,273 km (0.118 R)
• M12: 10,655,108 km (0.074 R)
• M13: 12,594,046 km (0.098 R)
• M14: 13,581,093 km (0.112 R)
• M15: 14,206,711 km (0.046 R)
• M16: 14,992,100 km (0.095 R)
• M17: 15,563,863 km (0.094 R)
• M18: 16,100,620 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.5

Radius: 3.8

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.94 AU - 6.98 AU

Year: 11333 Days

Day: 17 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,458,295 km

• M1: 47,273 km (0.093 R)
• M2: 230,680 km (0.091 R)
• M3: 353,201 km (0.097 R)
• M4: 890,257 km (0.119 R)
• M5: 1,162,824 km (0.091 R)
• M6: 1,414,149 km (0.07 R)
• M7: 2,660,299 km (0.088 R)
• M8: 2,972,809 km (0.1 R)
• M9: 3,884,907 km (0.045 R)
• M10: 4,032,560 km (0.043 R)
• M11: 4,855,648 km (0.109 R)
• M12: 5,202,416 km (0.104 R)
• M13: 7,078,223 km (0.075 R)
• M14: 7,599,871 km (0.029 R)
• M15: 9,449,649 km (0.12 R)
• M16: 11,833,940 km (0.115 R)
• M17: 12,040,385 km (0.098 R)
• M18: 13,054,209 km (0.09 R)
• M19: 14,008,345 km (0.049 R)
• M20: 14,181,280 km (0.113 R)
• M21: 14,947,819 km (0.111 R)
• M22: 15,249,857 km (0.039 R)
• M23: 15,803,818 km (0.095 R)
• M24: 16,691,831 km (0.082 R)
• M25: 18,845,741 km (0.039 R)
• M26: 20,951,481 km (0.085 R)
• M27: 23,128,280 km (0.092 R)
• M28: 26,142,677 km (0.107 R)
• M29: 26,757,674 km (0.115 R)
• M30: 28,939,558 km (0.041 R)
• M31: 31,532,538 km (0.104 R)
• M32: 35,759,725 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.8

Radius: 5.4

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.08 AU - 8.42 AU

Year: 16357 Days

Day: 15.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,458,295 km

• M1: 67,169 km (0.048 R)
• M2: 1,599,052 km (0.107 R)
• M3: 2,046,499 km (0.107 R)
• M4: 2,414,360 km (0.101 R)
• M5: 2,614,372 km (0.112 R)
• M6: 2,890,829 km (0.07 R)
• M7: 3,070,496 km (0.11 R)
• M8: 3,919,464 km (0.112 R)
• M9: 4,224,943 km (0.106 R)
• M10: 5,642,532 km (0.073 R)
• M11: 6,439,590 km (0.047 R)
• M12: 6,825,702 km (0.113 R)
• M13: 8,434,926 km (0.11 R)
• M14: 8,850,210 km (0.087 R)
• M15: 10,701,633 km (0.111 R)
• M16: 12,498,603 km (0.06 R)
• M17: 16,966,343 km (0.055 R)
• M18: 22,046,238 km (0.074 R)
• M19: 22,744,860 km (0.096 R)
• M20: 23,368,085 km (0.106 R)
• M21: 25,401,270 km (0.063 R)
• M22: 26,363,184 km (0.1 R)
• M23: 26,656,396 km (0.068 R)
• M24: 27,249,551 km (0.06 R)
• M25: 29,815,454 km (0.088 R)
• M26: 34,017,209 km (0.084 R)
• M27: 40,642,600 km (0.087 R)
• M28: 49,103,855 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.5

Radius: 6.9

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.98 AU - 9.56 AU

Year: 19482 Days

Day: 24.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,458,295 km

• M1: 86,019 km (0.111 R)
• M2: 579,991 km (0.104 R)
• M3: 1,261,858 km (0.083 R)
• M4: 1,649,466 km (0.096 R)
• M5: 3,086,952 km (0.067 R)
• M6: 3,385,101 km (0.097 R)
• M7: 3,822,525 km (0.065 R)
• M8: 4,297,049 km (0.118 R)
• M9: 4,531,469 km (0.118 R)
• M10: 5,635,352 km (0.109 R)
• M11: 6,999,385 km (0.101 R)
• M12: 10,786,306 km (0.077 R)
• M13: 11,410,727 km (0.046 R)
• M14: 17,050,118 km (0.087 R)
• M15: 19,673,616 km (0.07 R)
• M16: 20,416,220 km (0.089 R)
• M17: 20,794,403 km (0.118 R)
• M18: 31,713,402 km (0.088 R)
• M19: 42,764,945 km (0.052 R)
• M20: 46,407,653 km (0.061 R)
• M21: 48,555,430 km (0.102 R)
• M22: 56,873,071 km (0.117 R)
• M23: 58,377,278 km (0.118 R)
• M24: 59,907,814 km (0.057 R)
• M25: 63,649,705 km (0.072 R)
• M26: 74,458,301 km (0.175 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 16,921 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit